vmlinux.o: warning: objtool: svm_vcpu_enter_exit()+0xe: call to to_svm() leaves .noinstr.text section

vmlinux.o: warning: objtool: svm_vcpu_enter_exit()+0xe: call to to_svm() leaves .noinstr.text section

[kernel test robot]

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CC: linux-kernel(a)vger.kernel.org
TO: Paolo Bonzini <pbonzini@redhat.com>
CC: Sean Christopherson <seanjc@google.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1e16624d7b4376797ede36e3c955375cf0f23298
commit: 63129754178c5514f04bf6bdb891e33dfe58e58d KVM: SVM: Pass struct kvm_vcpu to exit handlers (and many, many other places)
date:   4 months ago
config: x86_64-buildonly-randconfig-r006-20210711 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d69635ed9ecf36fd0ca85906bfde17949671cbe)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=63129754178c5514f04bf6bdb891e33dfe58e58d
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 63129754178c5514f04bf6bdb891e33dfe58e58d
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: vmx_update_host_rsp()+0x32: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: vmx_vcpu_enter_exit()+0x7c: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: vmx_l1d_flush()+0xf: call to static_key_count() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: svm_vcpu_enter_exit()+0xe: call to to_svm() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __svm_vcpu_run()+0xe4: BP used as a scratch register
   vmlinux.o: warning: objtool: __svm_sev_es_vcpu_run()+0x2a: BP used as a scratch register
   vmlinux.o: warning: objtool: fixup_bad_iret()+0x26: call to memset() leaves .noinstr.text section
   vmlinux.o: warning: objtool: safe_stack_exc_vmm_communication()+0x30: call to memset() leaves .noinstr.text section
   vmlinux.o: warning: objtool: rcu_nmi_enter()+0xd1: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode()+0x2b: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x34: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x2b: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exit_to_user_mode()+0x29: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_exit_to_user_mode()+0xdc: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x2b: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit_to_user_mode()+0x30: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: debug_locks_off()+0x1e: call to __kcsan_check_access() leaves .noinstr.text section

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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